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Official data from USPTO

DSU

Did you know this trademark is already registered in United States?

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Active USPTO registrationType: WordOffice: United States

Quick snapshot

DSU

ST13

US500000087071457

Class

40

Filing

87071457

Registration

5538089

Risk and opportunity diagnosis

Executive reading for naming, filing, and monitoring decisions.

USPTO status

Active USPTO registration

Case type

Application and registration

Recorded events

37

Latest update

12/18/2025

Trademark type

Word

Nice classes

40

Filing date

06/14/2016

Registration date

08/14/2018

Expiration date

-

Complete case details

Structured fields from the responsible authority and the official record.

Status date

12/17/2025

Last transaction

12/18/2025

Responsible office

United States Patent and Trademark Office

Status code

702

Official register

Principal Register

Filing basis

Intent to use, Foreign priority

Drawing code

4

Owner type

03

Owner location

Calgary, Alberta, CA

Examiner

EBAUGH, MICHAEL

Current location

Historical data usage

Holders and representatives

Holders

Field Upgrading Limited

Representatives

Cheryl A. Clarkin, Esq. Adler Pollock & Sheehan P.C.

Technical classification

Nice Classes

Class 40

Vienna Codes

No Vienna codes available.

Goods and services

Class 40

desulphurization and upgrading of oil to produce bunker fuels for use in the shipping industry; treatment of materialsthe desulphurization of refinery bottomsintermediate streamsheavy oiloil shale and bitumen; treatment of materials to remove of metals and acids from oil and to increase the API gravity of oil

Publications

History of USPTO decisions and trademark events.

37 publications found

NA85

NOTICE OF ACCEPTANCE OF SEC. 8 & 15 - E-MAILED

12/17/2025

C15A

REGISTERED - SEC. 8 (6-YR) ACCEPTED & SEC. 15 ACK.

12/17/2025

APRE

CASE ASSIGNED TO POST REGISTRATION PARALEGAL

12/15/2025

E815

TEAS SECTION 8 & 15 RECEIVED

01/28/2025

PARI

TEAS VOLUNTARY AMENDMENT RECEIVED

01/28/2025

REM1

COURTESY REMINDER - SEC. 8 (6-YR) E-MAILED

08/14/2023

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

09/21/2022

ECDR

TEAS CHANGE OF DOMESTIC REPRESENTATIVES ADDRESS

09/21/2022

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

09/21/2022

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

09/21/2022

CHAN

APPLICANT/CORRESPONDENCE CHANGES (NON-RESPONSIVE) ENTERED

04/28/2020

TCCA

TEAS CHANGE OF CORRESPONDENCE RECEIVED

04/28/2020

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

04/28/2020

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

04/28/2020

COAR

TEAS CHANGE OF OWNER ADDRESS RECEIVED

04/28/2020

R.PR

REGISTERED-PRINCIPAL REGISTER

08/14/2018

NPUB

OFFICIAL GAZETTE PUBLICATION CONFIRMATION E-MAILED

05/29/2018

PUBO

PUBLISHED FOR OPPOSITION

05/29/2018

NONP

NOTIFICATION OF NOTICE OF PUBLICATION E-MAILED

05/09/2018

CNSA

APPROVED FOR PUB - PRINCIPAL REGISTER

04/24/2018

TEME

TEAS/EMAIL CORRESPONDENCE ENTERED

04/10/2018

CRFA

CORRESPONDENCE RECEIVED IN LAW OFFICE

04/10/2018

ERSI

TEAS RESPONSE TO SUSPENSION INQUIRY RECEIVED

04/06/2018

RCSC

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

11/07/2017

RCCK

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

11/01/2017

RCSC

REPORT COMPLETED SUSPENSION CHECK CASE STILL SUSPENDED

04/19/2017

RCCK

SUSPENSION CHECKED - TO ATTORNEY FOR ACTION

03/29/2017

ALIE

ASSIGNED TO LIE

03/29/2017

ARAA

ATTORNEY/DOM.REP.REVOKED AND/OR APPOINTED

10/21/2016

REAP

TEAS REVOKE/APP/CHANGE ADDR OF ATTY/DOM REP RECEIVED

10/21/2016

GNS3

NOTIFICATION OF LETTER OF SUSPENSION E-MAILED

09/23/2016

GNSL

LETTER OF SUSPENSION E-MAILED

09/23/2016

CNSL

SUSPENSION LETTER WRITTEN

09/23/2016

DOCK

ASSIGNED TO EXAMINER

09/22/2016

MPMK

NOTICE OF PSEUDO MARK E-MAILED

06/22/2016

NWOS

NEW APPLICATION OFFICE SUPPLIED DATA ENTERED

06/21/2016

NWAP

NEW APPLICATION ENTERED

06/17/2016

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